Best IT MSP ranks 638 managed IT providers serving professional services clients in California. The review-weighted rating is 4.9 out of 5 across 20,867 verified Google reviews.
| # | Provider | Rating |
|---|---|---|
| 1 | The Tech Consultants (TTC) Carson, CA | 76 reviews |
| 2 | Jones IT San Francisco, CA (serving the Bay Area) | 384 reviews |
| 3 | Relion Cerritos, CA (19.9 driving miles, serving Baldwin Park) | 95 reviews |
| 4 | Automates San Diego, CA | 152 reviews |
| 5 | San Diego IT Support San Diego, CA (serving East County) | 194 reviews |
| 6 | C3 Tech (Santa Ana, CA) Santa Ana, CA (serving Orange) | 100 reviews |
| 7 | TechiT Services San Diego, CA (serving Carlsbad & North County) | 110 reviews |
| 8 | TeamLogic IT Sacramento Arden-Arcade, Sacramento, CA (3800 Watt Ave, 1.0 mile) | 123 reviews |
| 9 | KME Systems Irvine, CA (Rockfield Boulevard, about 2 miles from Lake Forest) | 380 reviews |
| 10 | LAN WAN Enterprise Irvine, CA | 172 reviews |
| 11 | Clever Ducks San Luis Obispo, CA | 131 reviews |
| 12 | FUSE3 Fair Oaks, CA (11630 Fair Oaks Blvd, 3.6 miles from the Carmichael centre point) | 387 reviews |
| 13 | Intelligent Technical Solutions (ITS) San Francisco, CA (serving the Bay Area) | 107 reviews |
| 14 | Hamers I.T. Atascadero, CA | 75 reviews |
| 15 | Managed Solution Mission Hills, CA (serves La Mesa) | 76 reviews |
| 16 | Network Remedy Santa Clara, CA (serving the Bay Area) | 80 reviews |
| 17 | Advanced Networks Los Angeles, CA (serving the South Bay) | 88 reviews |
| 18 | CLEAR Technology East Bay, CA (serving Berkeley) | 123 reviews |
| 19 | STG IT Consulting Group West Hollywood, CA (serving South Gate) | 106 reviews |
| 20 | Integrity Tech Rancho Cucamonga, CA (9439 Archibald Ave #109, 7.70 miles from Eastvale City Hall) | 108 reviews |
| 21 | IT Support LA Calabasas, CA (21.2 road miles from Camarillo) | 128 reviews |
| 22 | Lawgistics Carlsbad, CA (North County San Diego) | 140 reviews |
| 23 | Advanced Business Innovations Burbank, CA (San Fernando Valley) | 128 reviews |
| 24 | TruAdvantage San Jose, CA (3031 Tisch Way Suite 110 at Santana Row, 14.57 miles from Palo Alto City Hall) | 230 reviews |
| 25 | Parachute Technology San Jose, CA (8.9 miles; nearest of seven offices) | 141 reviews |
| 26 | Capital Network Solutions, Inc. (CNS) Folsom, CA (600 Coolidge Dr Suite 170, 11.91 driving miles from Carmichael) | 83 reviews |
| 27 | Sam's IT Solutions Pasadena, CA (San Gabriel Valley, serving El Monte) | 431 reviews |
| 28 | Intelecis Irvine, CA (Orange County) | 87 reviews |
| 29 | FIT Solutions San Diego, CA (serving Chula Vista) | 635 reviews |
| 30 | Matrix Computing Technology San Diego, CA (serves La Mesa) | 90 reviews |
Consultancies, agencies and advisory firms bill time, so their IT problem is continuity of work: laptops, collaboration tools, client data separation and the ability to onboard a new hire the day they start.
Client contractual security terms are usually the real standard, alongside SOC 2 where the firm's own clients require it, and data-protection duties over whatever client information the firm holds.
Drawn from the providers ranked on Best IT MSP's California city listings and filtered to those whose own recorded data names professional services. Specialization is never inferred. Entries are deduplicated to one per company and ordered by the same confidence-weighted rating the city listings use. Paid placement is labelled and excluded from the structured data.
638 providers ranked in California record professional services among the industries they serve. Each company is counted once.
Yes. It is drawn from the providers ranked on Best IT MSP's California city listings, filtered to those whose own data names professional services.
Client contractual security terms are usually the real standard, alongside SOC 2 where the firm's own clients require it, and data-protection duties over whatever client information the firm holds.
How quickly can you onboard and offboard staff, and what does that cost?; How do you keep one client's data separated from another's?; What do you provide when a client sends us a security questionnaire?
By a confidence-weighted rating that accounts for review volume, so a 5.0 average on four reviews does not outrank a 4.9 on two hundred and fifty. Paid placement is labelled and never mixed into the earned order.
It is a live rollup of the California city listings, rebuilt whenever those change. The data behind this page is current as of October 2026.